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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
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Committee Date Time Place Paper Title / Authors Abstract Paper #
US 2023-07-27
Fukuoka West Japan General Exhibition Center Annex Acoustic measurement around the pinna in the ultrasonic region using a dummy head Part2
Mari Ueda, Koki Harusawa, Manaka Oishi (KAIT), Masaaki Hiroe (Kobayasi Institute of Physical Research), Hideyuki Hasegawa (Univ. of Toyama), Kentaro Nakamura (Tokyo Tech.) US2023-22
 [more] US2023-22
US 2022-11-29
Toyama Consortium of universities in toyama Investigation on effect from a compound angle in estimation of the average speed of sound using ultrasonic plane wave imaging
Ryo Nagaoka, Masaaki Omura, Hideyuki Hasegawa (Univ. of Toyama) US2022-48
In ultrasonography, a B-mode image is reconstructed by assuming the speed of sound in living tissues as a constant value... [more] US2022-48
US 2022-11-29
Toyama Consortium of universities in toyama Approximation of blood flow velocity profile to pulsatile flow model for ultrasonic measurement of wall shear stress in stenotic site
Michiya Mozumi, Masaaki Omura, Ryo Nagaoka, Hideyuki Hasegawa (Univ. of Toyama) US2022-49
Wall shear stress (WSS) contains useful information for diagnosis of vascular diseases. The WSS estimated by ultrasound ... [more] US2022-49
US 2022-01-25
Online Online Acoustic measurement around the pinna in the ultrasonic region using a dummy head
Koki Harusawa (KAIT), Yumi Inamura (SPIC Co.,Ltd.), Masaaki Hiroe (Kobayasi Inst. of Phys. Res.), Hideyuki Hasegawa (Toyama Univ.), Kentaro Nakamura (Tokyo Tech), Sho Kanzaki (Keio Univ.), Shogo Kiryu (TCU), Mari Ueda (KAIT) US2021-62
In the measurement of hearing thresholds at very high frequency region used a loudspeaker, the measured data may contain... [more] US2021-62
US 2021-11-26
Online Online Acoustic Characterization of Blood Mimicking Fluid for Ultrafast Ultrasound Imaging and PIV
Masaaki Omura, Ryo Nagaoka, Kunimasa Yagi (Univ. Toyama), Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.), Hideyuki Hasegawa (Univ. Toyama) US2021-45
Ultrafast ultrasound imaging has been applied to characterization of a blood flow vector velocity distribution in the va... [more] US2021-45
US 2021-02-22
Online Online Effects from motions of carotid artery along the elevation direction in measurement of the 2D displacement
Ryo Nagaoka, Michiya Mozumi, Masaaki Omura, Hideyuki Hasegawa (Toyama Univ.) US2020-70
 [more] US2020-70
MI 2020-01-29
Okinawa OKINAWAKEN SEINENKAIKAN Characterization of ultrasonic backscatter of vascular system using high-frame-rate ultrasound imaging
Masaaki Omura (Chiba Univ.), Hideyuki Hasegawa, Ryo Nagaoka (Toyama Univ.), Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.) MI2019-91
 [more] MI2019-91
US 2019-09-25
Miyagi Tohoku Univ. Pulse wave imaging of abdominal aorta using high temporal resolution ultrasound measurement
Michiya Mozumi, Ryo Nagaoka, Hideyuki Hasegawa (Univ. of Toyama) US2019-51
An arteriosclerosis is a symptom of the aorta aneurysm, and it is important to detect the arteriosclerosis in the early ... [more] US2019-51
US 2019-06-17
Tokyo Akihabara satellite campus, Tokyo Metropolitan University Basic study on synthetic aperture method using two kinds of transmit beams
Hideyuki Hasegawa, Ryo Nagaoka (Univ. Toyama) US2019-23
 [more] US2019-23
US 2018-11-02
Aichi   Investigation on improvement of performance of ultrasonic beamformer
Hideyuki Hasegawa, Ryo Nagaoka (Univ. Toyama) US2018-63
 [more] US2018-63
US 2018-06-21
Kanagawa   Verification Study on the Estimation Precision of Speckle Tracking Method in Ultrasonic Measurements with High Temporal Resolution
Ryo Nagaoka, Hideyuki Hasegawa (Univ. Toyama) US2018-24
 [more] US2018-24
US 2017-06-27
Tokyo   Estimation of transmit-receive response and its application to method for improvement of range spatial resolution
Michiya Mozumi, Hideyuki Hasegawa (Univ. of Toyama) US2017-23
The range spatial resolution is one of the elements which is related to an image quality in the ultrasonic imaging. We d... [more] US2017-23
Kyoto Doshisha Univ. Scatterer size estimation of excised rat liver using the structure factor model
Ryota Torii, Kazuki Tamura, Kenji Yoshida, Hitoshi Maruyama (Chiba Univ.), Hideyuki Hasegawa (Univ. Toyama), Tadashi Yamaguchi (Chiba Univ.) US2016-87
Scatterer size estimation is one of quantitative ultrasonic methods for diagnosing fatty liver disease. In this method, ... [more] US2016-87
Kyoto Doshisha Univ. [Poster Presentation] Scattering structure estimation of excised rat liver using the envelope statistics
Kazuki Tamura, Ryota Torii, Kenji Yoshida, Hitoshi Maruyama, Hideyuki Hasegawa, Hiroyuki Hachiya, Tadashi Yamaguchi (Chiba university) US2016-88
 [more] US2016-88
US 2016-11-07
Shizuoka   Estimation of shear wave velocity by analysis of complex particle velocity
Hideyuki Hasegawa (Univ. Toyama), Shin-ichi Yagi (Meisei Univ.) US2016-49
 [more] US2016-49
US 2016-10-07
Fukushima College of Eng., Nihon Univ. A Method for Combining Sub-Array Averaging with Sub-Aperture Beamforming in Adaptive Beamformer
Hideyuki Hasegawa (Univ. Toyama) US2016-45
We have increased the temporal resolution of ultrasonic imaging to more than 1 kHz for accurate measurement of tissue dy... [more] US2016-45
US 2016-06-10
Toyama Gofuku Campus, University of Toyama Basic Study on Low Frequency Ultrasonic Imaging
Hideyuki Hasegawa (Univ. Toyama) US2016-19
 [more] US2016-19
US 2016-06-10
Toyama Gofuku Campus, University of Toyama Verification of accuracy on scatterer size estimation for excised rat liver
Ryota Torii, Kazuki Tamura, Kenji Yoshida (Chiba Univ.), Hideyuki Hasegawa (Toyama Univ.), Tadashi Yamaguchi (Chiba Univ.) US2016-23
Scatterer size estimation is one of quantitative ultrasonic methods for diagnosing fatty liver disease. In this method, ... [more] US2016-23
US 2016-02-29
Tokyo Instiute of Industrial Science, the University of Tokyo Investigation on Estimation of 2D Displacement of a Target by Frequency Analysis of Ultrasonic Echoes
Kohei Yonei, Kaori Kaburaki, Hiroki Takahashi, Hideyuki Hasegawa (Univ. Toyama) US2015-117
We are aiming to measure the dynamics of biological tissue by means of high frame rate ultrasonography. For measurement ... [more] US2015-117
US 2015-10-09
Ishikawa Kanazawa Institute of Technology Improvement of spatial resolution in high frame rate ultrasonic imaging using plane waves -- Comparison with focused beams --
Hideyuki Hasegawa (Univ. Toyama), Hiroshi Kanai (Tohoku Univ.) US2015-61
 [more] US2015-61
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